19
User Manual
Zenex Pro
(Refer end of this section for detailed Soak Timer Operation)
PAGE 15 : SOAK TIMER PARAMETERS
Table 8.1
Min:Sec
Hours:Min
Hours
(Default :
Min: Sec)
Parameter Description
Settings
Default Value
TIMER ENABLE
Yes
No
(Default :
No)
Yes
Soak Timer function and Start / Abort commands are enabled.
No
Soak Timer function and Start / Abort commands are disabled.
TIME UNITS
Select the time units depending on the minimum and/or maximum
time value required.
TIME DURATION
The preset time value in selected units for the Soak Timer.
00.05 to 60:00 Min:Sec
00.05 to 99:55 Hrs:Min
1 to 999 Hours
(Default :
00.10 Min:Sec)
TIMER-START BAND
After issuance of start command, the timer starts counting down
once the PV enters the process band around SP defined by this
parameter value.
0 to 9999 or
0.0 to 999.9
(Default :
5
or
0.5)
HOLDBACK STRATEGY
None
Up
Down
Both
(Default :
None)
None
PV based timer pause is not required.
Up
Timer is paused if PV is outside holdband
above
SP.
Down
Timer is paused if PV is outside holdband
below
SP.
Both
Timer is paused if PV is outside holdband both
above
and
below
SP.
HOLD BAND
Sets the temperature limit(s) with respect to the SP for the timer to
pause. The timer holds on counting should the PV cross the
limit(s).
1 to 9999
or
0.1 to 999.9
(Default :
5
or
0.5)
SWITCH-OFF CONTROL
OUTPUT AT TIMER END
Yes
The control output (OP1) is forced off upon completion of timer.
No
The control output state is not forced.
Yes
No
(Default :
No)
Section 8